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Infinity Reference X REF-075tx 3/4" textile dome tweeters

Item # 108R075TX

Infinity designed their REF-075tx tweeters to broadcast all the high-frequency details in your music, great news if...

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Infinity designed their REF-075tx tweeters to broadcast all the high-frequency details in your music, great news if...

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Item # 108R075TX

About the Infinity Reference X REF-075tx

John Pollard

Bring on the clarity

Infinity designed their REF-075tx tweeters to broadcast all the high-frequency details in your music, great news if you're suffering from a muddy soundstage in your car or you're just looking to brighten up your system a bit. These Reference X Series 3/4" textile domes add detail, help to clean up your soundstage, and provide an improved stereo image — without being shrill or causing harshness.

Bring on the clarity

Infinity designed their REF-075tx tweeters to broadcast all the high-frequency details in your music, great news if you're suffering from a muddy soundstage in your car or you're just looking to brighten up your system a bit. These Reference X Series 3/4" textile domes add detail, help to clean up your soundstage, and provide an improved stereo image — without being shrill or causing harshness.

REF-075tx tweeter

Built for power

A large voice coil and edge-driven tweeter design help these tweeters to handle up to 45 watts RMS, while in-line crossovers allow only the high frequencies to pass. Infinity's I-Mount™ system provides adapters that allow for surface- or flush-mounting, making installation a lot easier. You can use the included Starfish mounts to place the tweeters in many existing tweeter openings.

Note: These tweeters must be used with the supplied in-line high-pass crossovers, or an appropriate external crossover. Failure to do so could lead to damage to the tweeters not covered under the warranty.

Installation note: You'll need a pair of our universal backstraps to install these tweeters in the factory locations.

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Product highlights:

  • 3/4" textile dome tweeters (pair)
  • flush- and surface-mount hardware included
  • Starfish™ bracket for mounting in factory tweeter locations
  • 2,500 Hz passive in-line crossovers included
  • power handling: 5-45 watts RMS (135 watts peak power)
  • frequency response: 2,500-21,000 Hz
  • sensitivity: 93 dB
  • top-mount depth: 13/16"
  • warranty: 1 year
  • MFR # 075tx

What's in the box:

  • 2 Tweeters (each has attached 6" speaker leads)
  • 2 In-line crossovers (each has 23" input leads and 33" output leads)
  • 2 Flush-mount cups
  • 2 Threaded flush-mount adapters
  • 2 Plastic locking nuts
  • 2 Surface-mount cups
  • 2 Starfish tweeter mounts
  • Six 5/8" Self-tapping flat head screws
  • 2 Washers
  • 2 Nuts
  • Template on box
  • Owner's manual (English/ Danish/ German/ Spanish/ Finnish/ French/ Italian/ Dutch/ Polish/ Portuguese/ Russian/ Swedish/ Turkish/ Chinese)

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More details on the Infinity Reference X REF-075tx

Pat M.

Features & specs

General
Speaker Size
Design 1-way
Tweeter Design 3/4" Dome
Impedance (Ohms) 3
Tweeter Composition Textile
Woofer Composition ---
Woofer Surround ---
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) N/A
Sensitivity at 2.83 volts 93
Frequency Response 2500 - 21k Hz
Minimum RMS Wattage 5
Maximum RMS Wattage 45
Peak Power Handling (Watts) 135
Top-mount Depth (Inches) 0 13/16
Bottom-mount Depth (Inches) 1
Cutout Diameter or Length (inches) 1 5/8
Mounting Height (Inches) 0.672
Frame Width 1.845
Frame Length 1.845
The Infinity Reference X REF-075tx replaces these items:

Product Research

Tweeters
Crossovers
Specifications

Tweeters

Tweeter Material: Each tweeter features a 3/4" edge-driven textile dome for smooth, accurate highs.

Tweeter Mounting: The I-Mount tweeter mounting system and Starfish mounting brackets give you several different ways to mount the tweeters:

  • I-Mount Tweeter Mounting System: The tweeters can be surface- or flush-mounted with Infinity's innovative I-Mount system:
    • Surface Mount: Surface mounting the tweeters involves screwing the surface-mount cup to the mounting location, then inserting and locking the tweeter into the cup.
    • Flush Mount: Flush mounting is made easy through the use of the threaded flush-mount housing and plastic locking nut. Once a cutout is made, the tweeter is installed in the flush-mount adapter, then into the flush mount housing and inserted into the hole. The large plastic locking nut is threaded onto the adapter (from behind the mounting surface) to hold the complete assembly securely in place. When flush mounted, the tweeters may be angled for optimum response and imaging.
  • Starfish Mounting Brackets: The Starfish mounting brackets allow the tweeters to be installed in factory locations behind the grilles:
    • Bottom Mount: Once the Starfish bracket is trimmed, it is secured to the underside of the grille panel. The tweeter must be inserted into the bracket and locked into place before the bracket is mounted.
    • Surface Mount: Once the Starfish bracket is trimmed, it is screwed to the top of the mounting surface behind the grille panel. Then, the tweeter is inserted into the bracket and locked into place.
    • Flush Mount: There are two sets of tabs to flush mount the tweeter in the Starfish bracket, yielding different mounting dimensions. The upper tabs mount the tweeter completely below the opening and are glued in place. The lower mounting tabs are screwed in place and result in a mounting height just under a half inch. Once the bracket is mounted, the tweeter is inserted into the bracket and locked into place.

Tweeter Mounting Dimensions:

  I-Mount Surface Mount I-Mount Flush Mount Starfish Bottom Mount Starfish Surface Mount Starfish Flush Mount Starfish Flush Mount (below mounting surface)
Mounting Height 0.90" 0.672" 0.0" 0.885" 0.41" 0.065"
Depth 0.492" (screw depth) 0.808" 0.944" 0.492" (screw depth) 0.475" 0.88"
Frame Diameter 1.488" 1.845" 2.8" 2.44" 2.625" 3.04"
Cutout Diameter N/A 1.583" N/A N/A 1.51" 3.625"
Crossovers

In-line: Each tweeter has an in-line 2.5 kHz high-pass crossover.

Connections: Each crossover has 23" input leads and 33" output leads. The output leads are terminated with female quick-slides (that mate to the male quick-slides on the wire attached to the tweeters) and the input leads have bare wire.

Crossover Dimensions:

  • Length: 2.55"
  • Width: 0.95"
  • Height: 0.91"
Specifications

True Four Ohm Impedance Technology: The speaker's 3-ohm impedance combined with the impedance of your speaker wire provides a true 4-ohm load to your connected head unit or amplifier.

Power Handling: Although Infinity rates the 075tx speakers at 45 watts RMS (continuous average), they also recommend amplifiers with a power rating from 5 to 75 watts RMS.

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Customer Q&A

2 questions already asked

Q
Installing on 07 chevrolet silverado. Do I need to add the crossover or is there already one installed on factory tweeter wiring harness somewhere else?
trey  Apr 07, 2016
1 answer
A
I think that if your vehicle has seperate tweeters already then the crossovers would be present. If not then you would need to add one.
terry  Apr 07, 2016
Q
do these need a cross over or will they work with oe wires on front door of 2010 jetta?
austin  Dec 03, 2015
1 answer
A
These speakers include a 2,500 Hz passive in-line crossover.
jeff  Dec 04, 2015 (Staff)

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